MARS vs. NASA
MARS (Roundhill Space & Technology ETF) and NASA (Tema Space Innovators ETF) are both exchange-traded funds - MARS is a Technology Equities fund actively managed by Roundhill, while NASA is a Aerospace & Defense fund actively managed by Tema. Both are actively managed. With a 0.96 correlation, they move nearly in lockstep. Both charge a 0.75% expense ratio.
Performance
MARS vs. NASA - Performance Comparison
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Returns By Period
MARS
- 1D
- -6.12%
- 1M
- -25.27%
- YTD
- —
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
NASA
- 1D
- -4.80%
- 1M
- -23.25%
- YTD
- —
- 6M
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
MARS vs. NASA - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
MARS Roundhill Space & Technology ETF | 28.85% |
NASA Tema Space Innovators ETF | 23.44% |
Correlation
The correlation between MARS and NASA is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Mar 31, 2026 | 0.96 |
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Return for Risk
MARS vs. NASA - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Roundhill Space & Technology ETF (MARS) and Tema Space Innovators ETF (NASA). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
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Drawdowns
MARS vs. NASA - Drawdown Comparison
The maximum MARS drawdown since its inception was -32.40%, which is greater than NASA's maximum drawdown of -28.98%. Use the drawdown chart below to compare losses from any high point for MARS and NASA.
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Drawdown Indicators
| MARS | NASA | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -32.40% | -28.98% | -3.42% |
Current DrawdownCurrent decline from peak | -32.40% | -28.98% | -3.42% |
Average DrawdownAverage peak-to-trough decline | -6.96% | -7.11% | +0.15% |
Volatility
MARS vs. NASA - Volatility Comparison
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Volatility by Period
| MARS | NASA | Difference | |
|---|---|---|---|
Volatility (1Y)Calculated over the trailing 1-year period | 68.04% | 67.51% | +0.53% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 68.04% | 67.51% | +0.53% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 68.04% | 67.51% | +0.53% |
MARS vs. NASA - Expense Ratio Comparison
Both MARS and NASA have an expense ratio of 0.75%.
Dividends
MARS vs. NASA - Dividend Comparison
Neither MARS nor NASA has paid dividends to shareholders.
Frequently Asked Questions
With a correlation of 0.96, MARS and NASA move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
Both ETFs have the same 0.75% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
MARS and NASA have the same expense ratio: 0.75% per year.
MARS and NASA have nearly identical dividend yields, around 0.00%.
MARS is categorized as Technology Equities, while NASA is Aerospace & Defense. They also come from different issuers: Roundhill and Tema.
Find the right allocation for MARS and NASA
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